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Re: Hadoop removal
Nitin Pawar 2012-07-06, 13:07
that should not be any problem

just kill all the running hadoop processes

ps aux | grep -i hadoop | awk '{print $2}' | xargs sudo kill -9

this should kill all hadoop processes :)

On Fri, Jul 6, 2012 at 6:28 PM, prabhu K <[EMAIL PROTECTED]> wrote:

> unexpectedly with out stop-all.sh, i have deleted the folder, what should
> be the problem comes?
>
> On Fri, Jul 6, 2012 at 6:22 PM, Sagar Shukla
> <[EMAIL PROTECTED]>wrote:
>
> > You can just execute command:
> > # stop-all.sh
> >
> > Once all the processes stop, you can delete the folder containing hadoop.
> > That should be it.
> >
> > Thanks,
> > Sagar
> >
> > -----Original Message-----
> > From: prabhu K [mailto:[EMAIL PROTECTED]]
> >  Sent: Friday, July 06, 2012 6:18 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: Hadoop removal
> >
> > Could you please some one help me on the in line issue?
> >
> > On Fri, Jul 6, 2012 at 4:56 PM, prabhu K <[EMAIL PROTECTED]>
> wrote:
> >
> > > yes, i have installed hadoop tar.gz,unzip tar.gz file and did the
> setup.
> > >
> > > i have run the ps -eaf | grep namenode command, its shown two procees
> > > id's are running, currently have two hadoop version installed on my
> > > machine in two different folders. in this case how can i uninstall one
> > by one.
> > >
> > > please suggest on this issue
> > >  On Fri, Jul 6, 2012 at 2:59 PM, Amith D K <[EMAIL PROTECTED]> wrote:
> > >
> > >> I hope u have installed tar.gz binary distribution.
> > >>
> > >> If process is still running the use ps -eaf | grep
> > >> <namenode/datanode> to identify the process home.
> > >> After identifying the process home execte stop scripts and delete the
> > >> process home and reinstall a new distribution.
> > >>
> > >> Amith
> > >> ________________________________________
> > >> From: prabhu K [[EMAIL PROTECTED]]
> > >> Sent: Friday, July 06, 2012 4:31 PM
> > >> To: [EMAIL PROTECTED]
> > >> Subject: Re: Hadoop removal
> > >>
> > >> Thanks for the quick response,
> > >>
> > >> I have executed the # dpkg --list | grep hadoop command, i am not
> > >> getting anything.
> > >>
> > >> Please let me know how can i uninstall hadoop-0.20.204.0.tar.gz
> > >> existing version?
> > >>
> > >>
> > >> On Fri, Jul 6, 2012 at 1:52 PM, Sagar Shukla
> > >> <[EMAIL PROTECTED]>wrote:
> > >>
> > >> > Hi Prabhu,
> > >> >           Looking at the traces given, it appears that you
> > >> > installed hadoop by downloading the tar.gz file. Such a package
> > >> > cannot be
> > >> uninstalled
> > >> > / removed using apt-get command. Only if you have installed package
> > >> using
> > >> > "apt-get install <package>" then you can remove using same command.
> > >> >
> > >> > You can check if following command shows hadoop package installed:
> > >> > # dpkg --list | grep hadoop
> > >> >
> > >> > If you see some package in the output of this command then you
> > >> > should be able to remove it using apt-get command.
> > >> >
> > >> > Thanks,
> > >> > Sagar
> > >> >
> > >> > -----Original Message-----
> > >> > From: prabhu K [mailto:[EMAIL PROTECTED]]
> > >> > Sent: Friday, July 06, 2012 1:46 PM
> > >> > To: [EMAIL PROTECTED]
> > >> > Subject: Hadoop removal
> > >> >
> > >> > Hi User list,
> > >> >
> > >> > While I am trying to remove the hadoop version, i am getting
> > >> > following error.
> > >> >
> > >> > root@md-trngpoc1:/usr/local/hadoop_dir# sudo apt-get remove hadoop*
> > >> > Reading package lists... Done Building dependency tree Reading
> > >> > state information... Done
> > >> > E: Unable to locate package hadoop
> > >> > E: Unable to locate package hadoop-0.20.204.0.tar.gz
> > >> > E: Couldn't find any package by regex 'hadoop-0.20.204.0.tar.gz'
> > >> > root@md-trngpoc1:/usr/local/hadoop_dir# ls -lrt total 92080
> > >> > -rw-r--r--  1 root   root   94283331 2012-07-05 17:24
> > >> > hadoop-0.20.204.0.tar.gz
> > >> > drwxr-xr-x 18 hduser hadoop     4096 2012-07-05 20:31 hadoop
> > >> >
>
Nitin Pawar